<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>그리기 객체</title>
<style type="text/css">
body {
	background: #333;
	color: #fff;
	font: 300 100.1% "Helvetica Neue", Helvetica, 
			"Arial Unicode MS", Arial, sans-serif;
}
#holder {
	height: 480px;
	left: 50%;
	margin: -240px 0 0 -320px;
	position: absolute;
	top: 50%;
	width: 640px;
}
#copy {
	bottom: 0;
	font: 300 .7em "Helvetica Neue", Helvetica, 
			"Arial Unicode MS", Arial, sans-serif;
	position: absolute;
	right: 1em;
	text-align: right;
}
#copy a {
	color: #fff;
}
</style>
<script type="text/javascript" src="http://raphaeljs.com/raphael.js"></script>
<script type="text/javascript">
window.onload = function () {
	var r = Raphael("holder");
	r.customAttributes.segment = function (x, y, r, a1, a2) {
		var flag = (a2 - a1) > 180,
			clr = (a2 - a1) / 360;
		a1 = (a1 % 360) * Math.PI / 180;
		a2 = (a2 % 360) * Math.PI / 180;
		return {
			path: [["M", x, y], ["l", r * Math.cos(a1), r * Math.sin(a1)], ["A", r, r, 0, +flag, 1, x + r * Math.cos(a2), y + r * Math.sin(a2)], ["z"]], fill: "hsb(" + clr + ", .75, .8)"
		};
	};
	function animate(ms) {
		var start = 0,
			val;
		for (i = 0; i < ii; i++) {
			val = 360 / total * data[i];
			paths[i].animate({segment: [200, 200, 150, start, start += val]}, ms || 1500, "bounce");
			paths[i].angle = start - val / 2;
		}
	}

	var data = [24, 92, 24, 52, 78, 99, 82, 27],
		paths = r.set(),
		total,
		start,
		bg = r.circle(200, 200, 0).attr({stroke: "#fff", "stroke-width": 4});
	data = data.sort(function (a, b) { return b - a;});

	total = 0;
	for (var i = 0, ii = data.length; i < ii; i++) {
		total += data[i];
	}
	start = 0;
	for (i = 0; i < ii; i++) {
		var val = 360 / total * data[i];
		(function (i, val) {
			paths.push(r.path().attr({segment: [200, 200, 1, start, start + val], stroke: "#fff"}).click(function () {
				total += data[i];
				data[i] *= 2;
				animate();
			}));
		})(i, val);
		start += val;
	}
	bg.animate({r: 151}, 1000, "bounce");
	animate(1000);
	var t = r.text(200, 20, "Click on segments to make them bigger.").attr({font: '100 20px "Helvetica Neue", Helvetica, "Arial Unicode MS", Arial, sans-serif', fill: "#fff"});
};
</script>
</head>
<body>
	<div id="holder"></div>
	<p id="copy">Demo: <a href="http://raphaeljs.com/">Raphael</a> JavaScript Vector Library</p>
</body>
</html>
